#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
//#include<stdlib.h>


namespace cml {
	int rand = 30;
}

int rand = 20;
using namespace cml;

int main() {

	//int rand = 10;

	printf("%d\n", rand);
	//printf("%d\n", ::rand);
	//printf("%d",cml::rand);

	return 0;
}